The Earth's crust is thought to be divided into huge, movable segments, called plates, which float on a soft plastic layer of rock.
人们认为地壳分成了巨大的、可移动的部分，称为板块，这些板块漂浮在柔软可塑的岩石层上。
The appearance of the stated plastic layer 4 is consistent with the existing nut.
上述塑料层4的外形与现有的螺帽一致。
The contact surface of the sole (1) and the ground is provided with a wearable rubber or plastic layer (7).
此鞋底(1)与地接触面设有耐磨橡胶或塑料层(7)。
The structure of pipe is thin inner plastic layer and thick outer plastic layer, easy to join with hot-melt pipe fitting.
生产的管材结构为内塑层薄外塑层厚，以利于与热熔管件连接；
The metal-plastic composite nut, according to Claim 1, is characterized in that the injection molding of metal insert and complete plastic layer.
根据权利要求1所述的金属塑料复合螺帽，其特征在于所述金属嵌件与塑料层整体注塑成型。
The inner surface at one open end of the plastic layer has the thread, and the thread on the plastic layer is connected with the thread on the metal insert.
上述塑料层的一开口端内表面开设有螺纹，该塑料层上的螺纹与金属嵌件上的螺纹相连接。
The utility model relates to a pair of multifunctional trousers, which is composed of zips, an alarm, a waistband, a layer of cloth, a cotton layer and a plastic layer.
本实用新型涉及多功能裤子，它是由拉链、警报器、腰带、布层、棉层、塑料层构成。
Said invention utilizes plastic film or plastic board as the water-proof layer of root, while the plastic layer is mounted on the surface of root or in the one layer of multilayer structure of root.
本发明用塑料薄膜或塑料板作为房顶的防水层，塑料层位于房顶表层，或位于房顶多层结构中的其中一层。
Said invention utilizes plastic film or plastic board as the water-proof layer of root, while the plastic layer is mounted on the surface of root or in the one layer of multilayer structure of root.
本发明用塑料薄膜或塑料板作为房顶的防水层，塑料层位于房顶表层，或位于房顶多层结构中的其中一层。
应用推荐